Patent holdings for IPC class C25D 3/56

Total number of patents in this class: 871

10-year publication summary

78
89
83
73
53
52
53
53
45
30
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Atotech Deutschland GmbH
524
33
Nippon Steel Corporation
6871
31
JX Nippon Mining & Metals Corporation
1461
26
Maxterial, Inc.
47
21
JFE Steel Corporation
7527
19
DIPSOL Chemicals Co., Ltd.
60
18
DuPont Electronic Materials International, LLC
426
16
The Boeing Company
20160
15
POSCO Co., Ltd.
2012
12
Rtx Corporation
10102
12
MacDermid Enthone Inc.
249
11
Modumetal, Inc.
74
11
ArcelorMittal
2672
10
Umicore Galvanotechnik GmbH
55
10
BASF SE
21303
9
Toyo Kohan Co., Ltd.
435
9
International Business Machines Corporation
62634
8
Dr.-Ing. Max Schlotter GmbH & Co. KG
40
8
Mitsubishi Materials Corporation
2472
8
POSCO
2143
8
Other owners 576